Home / 383,845.20-575,717.40-117,632.40

Finding the Fourth Proportional to 383,845.20, 575,717.40 and 117,632.40

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Solution

The fourth proportional to 383,845.20, 575,717.40 and 117,632.40 is: 176,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,845.20 : 575,717.40 = 117,632.40 : x
  2. Step 2: Convert to fraction form
    383,845.20/575,717.40 = 117,632.40/x
  3. Step 3: Cross multiply
    383,845.20x = 575,717.40 × 117,632.40
  4. Step 4: Simplify right side
    383,845.20x = 67,723,019,483.76
  5. Step 5: Solve for x
    x = 67,723,019,483.76/383,845.20
  6. Step 6: Final answer
    x = 176,433.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.